https://www.hergy.com.tw/wp-content/uploads/2025/04/UD7NSF-1.png500500jesse_lin/wp-content/uploads/2020/12/hegry-logo2.pngjesse_lin2024-01-24 15:38:462026-01-28 12:04:07NSF 55 Class B Certified - World highest 0.75GPM, Qβ coliphage 4.2-log reduction Hergy UVC LED Water Disinfection Reactor